ferrox-solver 0.3.12

Iron-forged OR-Tools and HiGHS solvers as Converge Suggestors
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53

use serde::{Deserialize, Serialize};

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct LpVariable {
    pub name: String,
    #[serde(with = "crate::serde_util::f64_inf")]
    pub lb: f64,
    #[serde(with = "crate::serde_util::f64_inf")]
    pub ub: f64,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct LpTerm {
    pub var: String,
    pub coeff: f64,
}

/// A row constraint: lb <= sum(terms) <= ub
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct LpConstraint {
    pub name: String,
    #[serde(with = "crate::serde_util::f64_inf")]
    pub lb: f64,
    #[serde(with = "crate::serde_util::f64_inf")]
    pub ub: f64,
    pub terms: Vec<LpTerm>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct LpObjective {
    pub terms: Vec<LpTerm>,
    pub maximize: bool,
}

/// Seeded into `ContextKey::Seeds` with id prefix `"glop-request:"`.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct LpRequest {
    pub id: String,
    pub variables: Vec<LpVariable>,
    pub constraints: Vec<LpConstraint>,
    pub objective: LpObjective,
    pub time_limit_seconds: Option<f64>,
}

/// Written to `ContextKey::Strategies` with id prefix `"glop-plan:"`.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct LpPlan {
    pub request_id: String,
    pub status: String,
    pub values: Vec<(String, f64)>,
    pub objective_value: f64,
    pub solver: String,
}